/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)

This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
more details.

You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
**********/
// "liveMedia"
// Copyright (c) 1996-2018 Live Networks, Inc.  All rights reserved.
// H.264 Video RTP Sources
// C++ header

#ifndef _H264_VIDEO_RTP_SOURCE_HH
#define _H264_VIDEO_RTP_SOURCE_HH

#ifndef _MULTI_FRAMED_RTP_SOURCE_HH

#include "MultiFramedRTPSource.hh"

#endif

class H264VideoRTPSource : public MultiFramedRTPSource {
public:
    static H264VideoRTPSource *
    createNew(UsageEnvironment &env, Groupsock *RTPgs,
              unsigned char rtpPayloadFormat,
              unsigned rtpTimestampFrequency = 90000);

protected:
    H264VideoRTPSource(UsageEnvironment &env, Groupsock *RTPgs,
                       unsigned char rtpPayloadFormat,
                       unsigned rtpTimestampFrequency);
    // called only by createNew()

    virtual ~H264VideoRTPSource();

protected:
    // redefined virtual functions:
    virtual Boolean processSpecialHeader(BufferedPacket *packet,
                                         unsigned &resultSpecialHeaderSize);

    virtual char const *MIMEtype() const;

private:
    friend class H264BufferedPacket;

    unsigned char fCurPacketNALUnitType;
};

class SPropRecord {
public:
    ~SPropRecord() { delete[] sPropBytes; }

    unsigned sPropLength; // in bytes
    unsigned char *sPropBytes;
};

SPropRecord *parseSPropParameterSets(char const *sPropParameterSetsStr,
        // result parameter:
                                     unsigned &numSPropRecords);
// Returns the binary value of each 'parameter set' specified in a
// "sprop-parameter-sets" string (in the SDP description for a H.264/RTP stream).
// The value is returned as an array (length "numSPropRecords") of "SPropRecord"s.
// This array is dynamically allocated by this routine, and must be delete[]d by the caller.

#endif
